:root{
  --bg:#ffffff; --bg2:#f5f5f7; --ink:#1d1d1f; --mute:#6e6e73; --line:#d2d2d7;
  --accent:#0a7a55; --accent-ink:#ffffff; --card:#ffffff;
  --shadow:0 2px 6px rgba(0,0,0,.04),0 24px 60px rgba(0,0,0,.08);
  --nav:rgba(255,255,255,.8);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue","Segoe UI",Roboto,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#000000; --bg2:#101012; --ink:#f5f5f7; --mute:#a1a1a6; --line:#2c2c2e;
    --accent:#2fd39b; --accent-ink:#00150d; --card:#1c1c1e; --shadow:none;
    --nav:rgba(0,0,0,.72);
    color-scheme:dark;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
img,svg{max-width:100%}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--bg);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:980px;margin:0 auto;padding-inline:22px}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.025em;text-wrap:balance}
h1{font-size:clamp(42px,8.4vw,84px);line-height:1.04;letter-spacing:-.035em}
h2{font-size:clamp(30px,5.2vw,52px);line-height:1.08}
h3{font-size:21px;line-height:1.2;letter-spacing:-.01em}
p{margin:0}
.eyebrow{font-size:14px;font-weight:600;letter-spacing:.01em;color:var(--mute)}
.lead{font-size:clamp(19px,2.6vw,24px);line-height:1.35;color:var(--mute);max-width:36em;letter-spacing:-.01em}
.center{text-align:center}.center .lead{margin-inline:auto}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:var(--nav);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:52px}
.brand{font-weight:700;letter-spacing:-.02em;color:var(--ink);text-decoration:none;font-size:18px;display:inline-flex;align-items:center;gap:8px}
.brand i{width:20px;height:20px;border-radius:6px;background:var(--ink);display:inline-block;position:relative}
.brand i::after{content:"";position:absolute;inset:5px;border-radius:50%;background:var(--bg)}
.nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.nav ul a{font-size:13px;color:var(--ink);opacity:.8;text-decoration:none}
.nav ul a:hover{opacity:1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:inherit;font-size:17px;font-weight:500;padding:12px 24px;border-radius:999px;text-decoration:none;border:0;cursor:pointer;background:var(--ink);color:var(--bg);transition:transform .15s,opacity .15s}
.btn:hover{opacity:.88}
.btn.sm{font-size:13px;padding:7px 14px}
.btn.ghost{background:transparent;color:var(--accent);padding-inline:6px}
.btn.ghost::after{content:"›";font-size:1.2em;line-height:1}
@media (prefers-reduced-motion:no-preference){.btn:active{transform:scale(.98)}}
@media (max-width:640px){.nav ul{display:none}}

/* sections */
section{padding-block:clamp(72px,12vw,140px)}
.alt{background:var(--bg2)}
.hero{padding-block:clamp(64px,11vw,120px) clamp(48px,8vw,90px);text-align:center}
.hero .eyebrow{margin-bottom:18px}
.hero h1{max-width:12em;margin-inline:auto}
.hero .lead{margin:22px auto 0}
.cta{display:flex;flex-wrap:wrap;gap:8px 14px;justify-content:center;align-items:center;margin-top:34px}
.sub-bm{margin-top:14px;font-size:15px;color:var(--mute)}

/* sample slide */
.stage{display:flex;justify-content:center;margin-top:clamp(48px,8vw,84px)}
.slide{width:min(340px,100%);aspect-ratio:4/5;background:var(--card);border-radius:28px;box-shadow:var(--shadow);border:1px solid var(--line);padding:30px 28px;display:flex;flex-direction:column;text-align:left}
.slide .tag{align-self:flex-start;font-size:12px;font-weight:600;color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent);padding:4px 10px;border-radius:999px}
.slide h2{font-size:25px;line-height:1.14;margin-top:16px;letter-spacing:-.02em}
.slide dl{margin:auto 0 0;display:grid;gap:14px}
.slide dt{font-size:13px;color:var(--mute)}
.slide dd{margin:0;font-size:18px;font-weight:600;font-variant-numeric:tabular-nums}
.slide .big{font-size:46px;letter-spacing:-.03em;line-height:1;color:var(--accent)}
.slide .foot{margin-top:18px;font-size:12px;color:var(--mute);display:flex;justify-content:space-between}
.stage figure{margin:0;display:flex;flex-direction:column;align-items:center;width:100%}
.caption{margin-top:18px;font-size:13px;color:var(--mute);text-align:center;max-width:32em}

/* split intro */
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,6vw,80px);align-items:start}
@media (max-width:760px){.two{grid-template-columns:1fr}}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chip{font-size:14px;padding:6px 14px;border-radius:999px;border:1px solid var(--line);color:var(--ink);background:var(--bg)}
.alt .chip{background:var(--card)}

/* features */
.head{margin-bottom:clamp(36px,6vw,64px)}
.head .eyebrow{margin-bottom:12px}
.head h2{max-width:16em}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:820px){.grid3{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:28px;display:flex;flex-direction:column;gap:12px}
.card p{color:var(--mute);font-size:16px}
.ico{width:32px;height:32px;color:var(--accent);margin-bottom:6px}
.ico svg{width:100%;height:100%;display:block}

/* pipeline */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px;counter-reset:s}
@media (max-width:900px){.steps{grid-template-columns:1fr;gap:0}}
.steps li{position:relative;padding-top:44px;counter-increment:s}
.steps li::before{content:counter(s);position:absolute;top:0;left:0;width:30px;height:30px;border-radius:50%;background:var(--ink);color:var(--bg);font-size:14px;font-weight:600;display:grid;place-items:center}
.steps li::after{content:"";position:absolute;top:15px;left:40px;right:-12px;height:1px;background:var(--line)}
.steps li:last-child::after{display:none}
.steps h3{font-size:17px;margin-bottom:6px}
.steps p{font-size:15px;color:var(--mute)}
@media (max-width:900px){
  .steps li{padding:2px 0 28px 48px}
  .steps li::after{top:34px;bottom:0;left:15px;right:auto;width:1px;height:auto}
}
.built{margin-top:clamp(36px,6vw,56px);font-size:15px;color:var(--mute);max-width:44em}

/* traction */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
@media (max-width:900px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
.stat b{display:block;font-size:clamp(40px,6vw,64px);font-weight:700;letter-spacing:-.035em;line-height:1;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:10px;font-size:15px;color:var(--mute);max-width:15em}
.note{margin-top:34px;font-size:13px;color:var(--mute);max-width:52em}

/* roadmap */
.phases{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:760px){.phases{grid-template-columns:1fr}}
.phase{border-radius:22px;padding:30px;background:var(--card);border:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.phase .when{font-family:var(--mono);font-size:13px;color:var(--mute)}
.phase.now{border-color:var(--accent)}
.pill{align-self:flex-start;font-size:12px;font-weight:600;color:var(--accent-ink);background:var(--accent);padding:3px 10px;border-radius:999px}
.phase p{color:var(--mute);font-size:16px}

/* trust list */
.trust{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}
@media (max-width:760px){.trust{grid-template-columns:1fr}}
.trust li{padding:20px 0;border-top:1px solid var(--line);font-size:17px}
.trust b{display:block;font-weight:600;margin-bottom:2px}
.trust span{color:var(--mute);font-size:15px}

/* follow */
.follow{text-align:center}
.follow h2{max-width:11em;margin-inline:auto}
.follow .lead{margin:18px auto 0}

/* footer */
footer{border-top:1px solid var(--line);padding-block:34px 56px;font-size:13px;color:var(--mute)}
footer .wrap{display:flex;flex-direction:column;gap:14px}
footer .row{display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:space-between}
footer a{color:var(--mute)}
footer p{max-width:60em;line-height:1.5}

/* article pages */
.doc{padding-block:clamp(48px,8vw,96px)}
.doc h1{font-size:clamp(34px,6vw,56px);margin-bottom:10px}
.doc h2{font-size:24px;margin:40px 0 10px;letter-spacing:-.02em}
.doc p,.doc li{color:var(--mute);max-width:42em}
.doc li{margin-bottom:6px}
.doc .updated{font-size:14px}

/* gentle reveal, only when JS marks it */
@media (prefers-reduced-motion:no-preference){
  .js .reveal{opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s ease}
  .js .reveal.in{opacity:1;transform:none}
}

/* timeline */
.tl{list-style:none;margin:0;padding:0;max-width:44em}
.tl li{display:grid;grid-template-columns:8.5em minmax(0,1fr);gap:8px 24px;padding:20px 0;border-top:1px solid var(--line)}
.tl li:last-child{border-bottom:1px solid var(--line)}
.tl .when{font-family:var(--mono);font-size:13px;color:var(--mute);padding-top:4px}
.tl h3{font-size:19px;margin-bottom:4px}
.tl p{color:var(--mute);font-size:16px}
@media (max-width:560px){.tl li{grid-template-columns:1fr}}
.phases{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:900px){.phases{grid-template-columns:1fr}}
.pill.soft{background:transparent;color:var(--mute);border:1px solid var(--line)}
.head .lead{margin-top:16px;font-size:18px}
.mail{margin-top:22px;font-size:17px}
.mail a{font-weight:500}